Rock blocking attachment



FIG. 1 is a perspective view of the rock blocking attachment of my new design showing it being mounted on the front of a mowing unit.

FIG. 2 is a top plan view of my new design.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a right side elevational view thereof. The left side view is a mirror image thereof.

FIG. 5 is a back elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line apparatus shown in FIG. 1, is environmental, and forms no part of the invention. 

CLAIM The ornamental design for a rock blocking attachment, as shown and described. 